across和through的区别

　　There's a way across the fields.

　　有一条路穿过田地。

　　We left the road and struck off across the fields.

　　我们下了公路，穿过旷野往前走。

　　The map shows the distribution of this species across the world.

　　地图上标明了这一物种在全世界的分布情况。

　　First I have to get through the exams.

　　首先我必须通过这些考试。

　　The electricity line is fed with power through an underground cable.

　　这条电线的电源是通过地下电缆传输的。

　　He could just make out three people through the mist.

　　透过薄雾他勉强能看出有三个人。